The electrocardiogram (ECG) is one of the most essential tools in modern medicine, used to detect heart problems ranging from ...

A signal averaged ECG is a diagnostic test that averages multiple QRS complexes over a 10-minute time period, or at least 250 QRS complexes in order to see minute changes in the electrical ...

Many rural regions are already facing a shortage of medical care, which is particularly acute when it comes to high-quality ...

The ECG signal is riddled with noise from mains that can be partially attenuated with a simple low-pass filter. Then, [Peter] uses an Arduino Nano to sample the output of the AD8232, implement a ...

The differential signal then goes through a low-pass filter to remove high-frequency noise, after which it enters an ADS1291 ECG analog front-end chip. The ADS1291 contains a delta-sigma analog-to ...